This week, KPBS is joining more than 220 news organizations worldwide in covering climate change to bring home the urgent need to confront the realities of a warming planet. Midday Edition talks to four local congressional representatives about the impact of climate change on their districts. And, the changing climate means more wildfires for San Diego’s backcountry, how one family is rebuilding after the Witch Creek Fire and preparing for the future. Plus, humans are the driving force of climate change, but population control remains controversial.